Showing 1,661 - 1,680 results of 18,849 for search 'sample random sampling.', query time: 0.16s Refine Results
  1. 1661

    The impact of intraoperative non-technical skills training on scrub practitioners’ self-efficacy: a randomized controlled trial by Masoumeh Mohammadi, Athar Omid, Mohammad Javad Tarrahi, Ahmad Ghadami

    Published 2025-05-01
    “…Therefore, this study aimed to investigate the impact of intraoperative non-technical skills training on scrub practitioners' self-efficacy. Methods In a randomized controlled trial, 30 scrub practitioners were assigned to the intervention group and 30 to the control group through random allocation. …”
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    Article
  2. 1662

    Risk of gastric cancer in autoimmune gastritis and pernicious anaemia: Insights from Mendelian randomization and multi‐omics analysis by Shengan Zhang, Ziqi Zhang, Liang Dai, Wenjun Zhou, Yanqi Dang, Wendong Huang, Guang Ji

    Published 2025-04-01
    “…It is necessary to supplement higher level research evidences to settle this issue. Methods Two‐sample Mendelian randomization (MR) analysis using inverse variance weighted method was conducted to reveal the causal relationship between pernicious anaemia and GC. …”
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    Article
  3. 1663

    The impact of leisure sedentary behaviors on risk of chronic kidney disease, diabetes, and related complications: Mendelian randomization study by Shuo Zhong, Rui Xiao, Ying Lin, Bo Xie, Jing Sun

    Published 2025-12-01
    “…In this study, we performed two-sample Mendelian randomization for declaring the potential causal association between LSBs and these diseases and summarized the causal estimates.Methods In this study, we used GWAS summary statistics from the public database for exposures (LSB: television watching, computer use, and driving) and outcomes (chronic kidney diseases, diabetes mellitus, and related complications). …”
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    Article
  4. 1664

    The effect of preoperative chest physiotherapy on oxygenation and lung function in cardiac surgery patients: a randomized controlled study by Hadel Shahood, Annamaria Pakai, Kiss Rudolf, Eva Bory, Noemi Szilagyi, Adrienn Sandor, Verzar Zsofia

    Published 2022-01-01
    “…Length of postoperative hospital stay was a secondary outcome. SAMPLE SIZE: 100 patients (46 in intervention group, 54 in control group). …”
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    Article
  5. 1665

    Efficacy of Topical Andrographis Paniculata Extract for Pruritus in Chronic Liver Disease: A Randomized, Placebo-Controlled Trial by Chotipong Siripipattanamongkol, Vich Thampanya, Piyaporn Sirijanchune, Nonlawan Chueamuangphan, Watcharee Khunkitti

    Published 2025-07-01
    “…Materials and Methods: At Chiang Rai Prachanukroh Hospital, a randomized, placebo-controlled trial was carried out from 2021 to 2024. …”
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  6. 1666

    Evaluating the impact of gut microbiota, circulating cytokines and plasma metabolites on febrile seizure risk in Mendelian randomization study by Chenyue Zhao, Huiqin Xue, Min Guo, Hao Yue, Xintong Chen, Jingbo Gao

    Published 2025-04-01
    “…Summary statistics of 211 gut microbiota traits, 1,400 plasma metabolite traits, 91 circulating cytokine traits, and FS were obtained from publicly available genome-wide association studies. Two-sample Mendelian randomization (MR) analysis and causality was inferred using Inverse variance-weighted (IVW), Weighted median, MR-Egger, simple mode-based estimate and weighted mode-based estimate 5 methods. …”
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    Article
  7. 1667

    Exploring the causal genetic relationship between 41 inflammatory cytokines and osteoporosis: a bidirectional Mendelian randomization analysis by Kai Zhang, Hongqiang Wang, Chuang Wang, Runze Liu, Xinge Shi, Weiran Hu

    Published 2025-07-01
    “…Methods: A bidirectional two-sample MR analysis was performed by employing five Mendelian randomization analysis methods including MR Egger regression, weighted median, inverse-variance weighted and weight mode methods. …”
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    Article
  8. 1668

    Management of periodontitis by three different approaches to non-surgical periodontal debridement– a randomized comparative clinical study by Kodikara Mudiyanselage Chathurika Padmakumari, Uthpala Muhandiramge Gunasekara, Ranjith Pallegama, Aruni Tilakaratne

    Published 2025-07-01
    “…Methods A total of 45 patients with generalised stage II and III periodontitis were randomly assigned to one of the three treatment groups. …”
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    Article
  9. 1669

    Assessment of bidirectional relationships between frailty and acute respiratory distress syndrome: a bidirectional Mendelian Randomization study by Yusha Chen, Xuefei Zhang, Yuxi Chen, Zhaohui Tong

    Published 2024-11-01
    “…The objective of this study was to explore the potential bidirectional causal links between frailty and ARDS. Methods A two-sample univariable Mendelian randomization (MR) was performed to assess the causal relationship between frailty, as defined by frailty index (FI, n = 175,226) and fried frailty score (FFS, n = 386,565), and ARDS. …”
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  10. 1670

    Efficacy and safety of Tai Chi for Parkinson's disease: a systematic review and meta-analysis of randomized controlled trials. by Xiaojia Ni, Shaonan Liu, Fuchang Lu, Xiaogeng Shi, Xinfeng Guo

    Published 2014-01-01
    “…More RCTs with larger sample size that carefully address blinding and prudently select outcomes are needed. …”
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  11. 1671

    A randomized, double-blind, placebo-controlled trial of N-acetylcysteine as an adjuvant treatment for alcohol use disorder by Jaqueline B. Schuch, Fernanda Hansen, Thiago Hartmann, Daniela Benzano, Henrique M. Gomes, José Cláudio F. Moreira, Flavio Pechansky, Felix H.P. Kessler, Fabiana Galland, Daiane Silvello, Anne O. Sordi, Lisia von Diemen

    Published 2025-05-01
    “…Conclusions: Our findings reinforce the effects of alcohol on oxidative stress and neuropeptide Y parameters. However, our sample size may limit the generalizability of the results, especially for clinical outcomes. …”
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    Article
  12. 1672

    Causal Relationship Between Epilepsy, Status Epilepticus and Sleep-Related Traits: A Bidirectional Mendelian Randomization Study by Yong-Won Shin, Sang Bin Hong

    Published 2025-07-01
    “…We investigated potential bidirectional causal associations between sleep-related traits and epilepsy, including subtypes and status epilepticus, using Mendelian randomization (MR). <b>Methods</b>: We conducted two-sample MR using genome-wide association study (GWAS) summary statistics from European ancestry cohorts. …”
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    Article
  13. 1673

    Role of joint function screening and correction in preventing training injuries for new recruits: a randomized controlled trial by LEI Enyu, CHEN Zhen, LI Bing

    Published 2025-05-01
    “…Objective‍ ‍To investigate the effects of joint function screening and correction on intervention efficacy of prevention and assessment score of training injuries in new recruits. Methods‍ ‍ A randomized controlled study was conducted on 265 new recruits subjected from two organizational units of an army unit with cluster sampling. …”
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  14. 1674

    Impact of anti-VZV IgG levels on Parkinson’s disease risk and progression: a Mendelian randomization analysis by Jinxing Sun, Xiangchen Li, Shengmei Ma, Haopeng Lin, Zhenke Li, Junheng Jia, Yasaman Alizadeh, Qianqian Wu, Ying Hou, Hong Wang, Qi Wang, Guangjian Zhang, Xingang Li, Weiguo Li, Chao Zhang

    Published 2025-04-01
    “…Abstract Research suggests a potential link between varicella zoster virus (VZV) and Parkinson’s disease (PD), but the causal relationship between anti-VZV IgG levels and PD is not well understood. Using two-sample Mendelian Randomization (MR), we assessed the causal impact of anti-VZV IgG levels on PD risk and progression. …”
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  15. 1675

    Genetic evidence for causal links between diet, gut microbiota, and hepatobiliary cancer: a Mendelian randomization study by Runze Huang, Xin Jin, Qinyu Liu, Xuanci Bai, Yibin Wu, Yixiu Wang, Xigan He, Ziting Jiang, Lu Wang, Weiping Zhu

    Published 2025-07-01
    “…Here, we conducted a comprehensive two-sample Mendelian randomization (MR) analysis using genetic instruments from large European cohorts to assess causality among 88 dietary components, 1080 microbiota traits, liver cancer (500 cases, 314,193 controls), and biliary tract cancer (1207 cases, 314,193 controls). …”
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  16. 1676

    Randomized Controlled Trial of Durotomy as an Adjunct to Routine Decompressive Surgery for Dogs With Severe Acute Spinal Cord Injury by Nick D. Jeffery, John H. Rossmeisl, Tom R. Harcourt-Brown, Nicolas Granger, Daisuke Ito, Kari Foss, Damian Chase

    Published 2024-11-01
    “…Sample-size calculation was based on the proportion of dogs recovering ambulation improving from an expected 55% in the traditional surgery group to 70% in the durotomy group. …”
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    Article
  17. 1677

    Mendelian randomization study of self-reported long sleep duration, short sleep duration, and insomnia and cognitive function. by Yunyun Guo

    Published 2025-01-01
    “…This study used a two-sample Mendelian randomization (MR) analysis to assess the causal relationship between self-reported short sleep duration, insomnia and long sleep duration and cognitive function. …”
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    Article
  18. 1678

    Cross ethnic Mendelian randomization analysis reveals causal relationship between air pollution and risk of kidney stones by Shuangping Li, Aijia Mu, Zhinan Jing, Ziyi Liu, Xinfang Cao, Jincheng Guo, Yujia Xi, Qiang Guo

    Published 2025-04-01
    “…To address this gap, we employed genome-wide association studies (GWAS) datasets and Mendelian randomization (MR) to verify the causation. Applying publicly accessible summary datasets from UK Biobank, FinnGen consortium and Biobank Japan, a two-sample MR, and further multivariate MR were carried out to calculate the causality between air pollution [particulate matter 2.5 (PM2.5), PM2.5 absorbance, PM2.5–10, PM10, nitrogen dioxide, and nitrogen oxides] and kidney stone risk in three different populations (European, East Asian, and South Asian). …”
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  19. 1679
  20. 1680

    The causal associations of 25(OH)D and its metabolites with oropharyngeal cancer risk: a Mendelian randomization study by YaoHui Yu, Yu Zhou

    Published 2025-07-01
    “…The primary analytical method for two-sample MR analysis was inverse-variance weighting (IVW); supplemental analyses (weighted median [WM], MR–Egger) were also conducted. …”
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    Article